Graph using curve option draws with fake curve when only 2 points

Hello

I'm using VBS to create raw data reports.  The plots in these reports have sometimes hundreds or thousands of data points, but sometimes they only have 1 or 2.  I have the option of "Curve" checked in these graphs to show the lines as splines instead of jagged lines.  However, when there are only 2 points, the function of smooth curve represents a curve to connect the two points rather than draw a straight line between them.  It arbitrarily assigns a concave or convex curve between the points.

Someone else knows this or have a way to correct the assumption of the tiara that the line will be curved?  I guess I could put a code snippet in it checks if there is data of less than 2 points in the game and if so, remove the smooth curve feature, but I don't think it should be necessary.

Thanks in advance!

Hi GT_Mark,

This looks like a valid complaint, since no curvature can be deduced from the 2 data points.  Unfortunately, I don't know any way to set up or improve the tiara "Curve" option, so I'm going to you to implement the software switch that you proposed to disable the display of "Curve" under a certain threshold of data points are plotted.

Brad Turpin

Tiara Product Support Engineer

National Instruments

Tags: NI Software

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